The scale has been shown to be associated with other health behaviors among youth. Participants were able to opt out of the scale regarding either parent if the scale was not applicable; 3044(81 females and 1996(76 males, provided information on both mother and father-adolescent relationship quality Items were rated on a 5-point Likert scale(strongly disagree to strongly agree) and we divided the sum by 9 to give a mean score ranging from 1.0 to 5.0 with a higher score representing higher quality of the parent adolescent relationship. No established cut-points exist for this scale. We dichotomized mean scores into high and low quality relationship using the cut-point 24 for high quality relationship based on a priori classification that agreement with most items would suggest a high relationship quality